If Cardiac Muscle Cells Are Unable to Repolarize, This Would

question 143

Multiple Choice

If cardiac muscle cells are unable to repolarize, this would cause

• A) cardiac output to increase.
• B) no harm. These cells can spontaneously depolarize anyway.
• C) the heart rate to decrease. It might cause cardiac arrest.
• D) an increased demand on mitochondria to produce more ATP.
• E) tachycardia.

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